#5183E9#5183E9

#5183E9 is a light, vivid blue. Relative luminance 0.239; OKLCH L 62.5% C 0.163 H 262.9°. Best body text is #000000 at 5.77:1 contrast (WCAG AA passes).

Color values

HEX#5183E9
RGBrgb(81, 131, 233)
HSLhsl(220, 78%, 62%)
HSVhsv(220, 65%, 91%)
CMYKcmyk(65.2%, 43.8%, 0%, 8.6%)
CIE-LABlab(55.95, 15.33, -56.64)
CIE-LCHlch(55.95, 58.68, 285.14°)
OKLaboklab(62.53% -0.0202 -0.1618)
OKLCHoklch(62.53% 0.163 262.9)
XYZxyz(26.2124, 23.8626, 80.2995)
Luminance0.2387 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5183E9 #E9B751
analogous
#51CFE9 #5183E9 #6B51E9
triadic
#5183E9 #E95183 #83E951
tetradic
#5183E9 #E951CF #E9B751 #51E96B
square
#5183E9 #E951CF #E9B751 #51E96B
split-complementary
#5183E9 #E96B51 #CFE951
monochromatic
#1646AA #1C5DE0 #5183E9 #87AAF0 #BED0F7

Accessibility & contrast

On white

3.64
#5183E9 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.77
#5183E9 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5183E9
5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5183E9#FFFFFF#000000##000000
##5183E91.003.645.775.77
#FFFFFF3.641.0021.0021.00
#0000005.7721.001.001.00
##0000005.7721.001.001.00

Color blindness preview

Protanopia (red-blind)
#528EED
Deuteranopia (green-blind)
#3880E7
Tritanopia (blue-blind)
#009AAB
Achromatopsia (no color)
#868686

Design tokens & code

CSS
--color: #5183e9;
/* rgb */ color: rgb(81, 131, 233);
/* oklch */ color: oklch(62.5% 0.163 262.9);
Tailwind
colors: {
  custom: {
    50: '#90a6f0',
    500: '#5183e9',
    950: '#000000',
  },
}
SCSS
$custom: #5183e9;
$custom-light: #90a6f0;
$custom-dark: #000000;
JSON
{
  "hex": "#5183e9",
  "rgb": {
    "r": 81,
    "g": 131,
    "b": 233
  },
  "hsl": {
    "h": 220.263,
    "s": 77.551,
    "l": 61.569
  },
  "oklch": {
    "l": 0.62533,
    "c": 0.16307,
    "h": 262.9
  },
  "luminance": 0.23865
}

Semantic roles & 50–950 ramp

primary
#5183E9
secondary
#E7D5AF
accent
#960CDA
background
#F9FAFE
surface
#F2F4FD
border
#CCCED5
text
#0E0F17
muted
#7E7F85

Preview Lab

Preview with #5183E9

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →

#5183E9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva